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package Modulo1;

import Modelo.DAL.PreReporte_DAO;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
/**
 *
 * @author andres
 */
public class generarPrereporteAction extends org.apache.struts.action.Action{

    /* forward name="success" path="" */
    private static final String SUCCESS = "success";
    private static final String FAILURE = "failure";

    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    @Override
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {

        byte[] preReportePDF = null;
        int id_pre_reporte = Integer.parseInt(request.getParameter("id_pre_reporte"));
        Map parametros = new HashMap();
        parametros.put("id", id_pre_reporte);

        PreReporte_DAO pr = new PreReporte_DAO();

        preReportePDF = pr.generarPreReporte(parametros);

        response.setContentType("application/pdf");
        response.setHeader("Cache-Control", "cache");
        response.setHeader("Pragma", "cache");
        response.setHeader("Content-Disposition", "attachment; filename=Prereporte_Generado.pdf");
        response.setContentLength(preReportePDF.length);
        ServletOutputStream outputStream = response.getOutputStream();

        outputStream.write(preReportePDF);
        outputStream.flush();
        outputStream.close();

        return mapping.findForward(SUCCESS);
    }
}
